>You can go even farther, if less than 50% of the people studying it work in that field, maybe less than 20% work there? By that metric, one of my undergrad ma

>You can go even farther, if less than 50% of the people studying it work in that field, maybe less than 20% work there? By that metric, one of my undergrad majors (physics) is a bullshit major as very few of us went into that field. But it prepared us very well for many other fields, so I'd say that metric is not meaningful.